What Day Is The Autumnal Equinox 2024 Calendar. The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd. This page provides date and time for autumnal equinox in the year 2024 for delhi, nct, india.

It occurs when earth’s axis is not tilted toward or away from the sun, resulting in nearly equal. It is also called the autumnal equinox, fall equinox or the beginning of autumn.